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- 저자 : Kho Boon Kie (검색결과 1 건)
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BROWN GAS INCINERATOR FOR WASTE DESTRUCTION AND ENVIRONMENTAL POLLUTION COMPLIANCE
Kho Boon Kie,Ashwani K. Gupta 국제과학영재학회 2012 APEC Youth Scientist Journal Vol.4 No.-
All municipal wastes consists large amounts of water (as much as 60% by mass) which hinders the performance of waste incinerators. Excess water can easily be separated out from the municipal solid wastes using centrifuges. The waste water can be reformed to Brown gas (di-atomic and mon-atomic hydrogen and oxygen) using an electrolyzers. At the instant that the water splits, the hydrogen and oxygen are in their mon-atomic state (H and O). Brown gas in the form of hydrogen and oxygen production form waste water is useful from waste waters and all kinds of solid wastes. Dehydrated waste can be easily combusted in an incinerator. Waste is an unavoidable by-product of most human activity. Economic development and rising living standards, including the Asian and Pacific Region have led to increased quantity and complexity of generated waste, whilst industrial diversification and the provision of expanded health-care facilities have added substantial quantities of industrial hazardous waste and biomedical waste into the waste stream with potentially severe environmental and human health consequences. Technologies available remove the large and diverse amounts of wastes generated include incineration, ocean dumping, lagooning, sanitary landfill, direct combustion, pyrolysis, gasification and more. However, available information reveals that incineration.is widely used with reasonable good success to manage the large amounts of wastes generated from low moisture content wastes. Today most incinerators are stoker incinerator which produces dioxins in low temperatures regions of the incinerator as well as other criteria pollutants emission. . High temperature (1600C) zones in the incinerator assist in melting the glass and metal in the waste to mitigate dioxin formation and release of heavy metals in to the environment. Low energy density and high moisture content in the waste require the use of auxiliary fuel to maintain high temperatures in the incinerator. Separating out the water from waste and reforming water to Brown gas and burning low moisture solid wastes in incinerator helps environmental benign means of wastes management. In this paper, different technologies are described that form key elements of overall waste management system, including the brown gas production from the water collected from solid wastes that can be used in the incinerator to further increase the incinerator temperature.
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